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　　The difference between GPS and Beidou

　　GPS (Global Positioning System) and BeiDou Navigation Satellite System are both global satellite navigation systems, but they have some significant differences:

　　Origin and operating country:

　　GPS: Developed and operated by the US Department of Defense, it is the earliest satellite navigation system built in the world.

　　Beidou: Developed and operated by the China National Space Administration, it is a global satellite navigation system independently built by China.

　　Coverage Area:

　　GPS: Global coverage, providing positioning, navigation, and timing services worldwide.

　　Beidou: Although the Beidou system has achieved global coverage, its performance in the Asia Pacific region is even better because there are more Beidou satellites providing services in the area.

　　Number and orbit of satellites:

　　GPS: The GPS system consists of 24 satellites and operates on six orbital planes, with four satellites distributed in each plane.

　　Beidou: The Beidou system consists of 55 satellites, including 3 retired Beidou-1 satellites, 5 Beidou-2 satellites, 30 MEO satellites (medium earth orbit satellites), 14 IGSO satellites (inclined geosynchronous orbit satellites), and 3 GEO satellites (geostationary orbit satellites).

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